Sciweavers

227 search results - page 27 / 46
» Ranking-based processing of SQL queries
Sort
View
VLDB
2004
ACM
113views Database» more  VLDB 2004»
14 years 3 months ago
Auditing Compliance with a Hippocratic Database
We introduce an auditing framework for determining whether a database system is adhering to its data disclosure policies. Users formulate audit expressions to specify the (sensiti...
Rakesh Agrawal, Roberto J. Bayardo Jr., Christos F...
SIGMOD
2007
ACM
160views Database» more  SIGMOD 2007»
14 years 10 months ago
Supporting ranking and clustering as generalized order-by and group-by
The Boolean semantics of SQL queries cannot adequately capture the "fuzzy" preferences and "soft" criteria required in non-traditional data retrieval applicati...
Chengkai Li, Min Wang, Lipyeow Lim, Haixun Wang, K...
ICDE
2008
IEEE
135views Database» more  ICDE 2008»
14 years 11 months ago
Online Filtering, Smoothing and Probabilistic Modeling of Streaming data
In this paper, we address the problem of extending a relational database system to facilitate efficient real-time application of dynamic probabilistic models to streaming data. he ...
Bhargav Kanagal, Amol Deshpande
SIGMOD
2007
ACM
225views Database» more  SIGMOD 2007»
14 years 10 months ago
From complete to incomplete information and back
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
Lyublena Antova, Christoph Koch, Dan Olteanu
SIGMOD
2001
ACM
147views Database» more  SIGMOD 2001»
14 years 10 months ago
Optimizing Queries Using Materialized Views: A practical, scalable solution
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...
Jonathan Goldstein, Per-Åke Larson